Replacement for Lennox Furnace Blower Motor | 5840
All sales are final
No returns or exchanges. Read our policy
Not sure it fits? Call (916) 729-3117 and we'll confirm at no charge.
Fast Shipping:Ships within 1 business day
Specifications
Specifications
- Part Number
- ER5840
- Manufacturer Part Number
- 5840
- Part Type
- Motors
- Fits Appliance
- Air Conditioner Parts
- Compatible Brands
- Automatic, US Motors
- Replaces Part Numbers
- S81-645
Product Details
Product Details
Upgrade your Lennox furnace with the Replacement Blower Motor, Part Number 5840. This powerful motor boasts a 1/2 HP capacity, 115 Volts, and 1075 RPM for efficient performance. Compatible with Lennox S81-645, it features a 5-5/8" diameter, 4 speeds, and OAO enclosure. Installation is a breeze and can be done in under 30 minutes with common tools.
Trust Appliance Parts Center – a family-owned store in Sacramento with 25+ years of experience and a huge in-stock inventory.
We know appliances inside and out and will help you find the right part with expert, honest advice.
Cross Reference Information
Cross Reference Information
Part Number 5840 replaces:
- S81-645
Genuine Us motors part. Fits Automatic, US Motors and other models using this part number.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

